{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["material", "concept or principle", "manufacturing process", "application", "engineering feature", "machanical property"], "input": "The challenge is monitoring of the process parameters and cooling rate to promote ferrite phase formation ."}
{"material": ["ferrite"], "concept or principle": ["process parameters"], "manufacturing process": [], "application": [], "engineering feature": [], "machanical property": []}